Information recording apparatus for writable recording media

(19)

(11)

EP 1 484 762 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	15.12.2004 Bulletin 2004/51

(43)	Date of publication A2:
	08.12.2004 Bulletin 2004/50

(21)	Application number: 04018387.3

(22)	Date of filing: 04.01.1999

(51)	International Patent Classification (IPC)⁷: G11B 20/10, G11B 27/30

(84)	Designated Contracting States:
	DE FR GB

(30)

Priority:

14.01.1998 JP 608198

(62)	Application number of the earlier application in accordance with Art. 76 EPC:
	99100027.4 / 0930617

(71)	Applicant: PIONEER ELECTRONIC CORPORATION
	Meguro-ku, Tokyo (JP)

(72)	Inventor:
	Kuroda, Kazuo Tokorozawa-City, Saitama (JP)

(74)	Representative: Betten & Resch
	Patentanwälte, Theatinerstrasse 8 80333 München 80333 München (DE)

(54)	Information recording apparatus for writable recording media

(57) An information recording apparatus capable of recording new data subsequent to previously written data on a recording medium, comprising: a comparing means for comparing, in terms of value, an end data portion corresponding to a predetermined amount of data located at an end portion of said written data with a head data portion corresponding to said predetermined amount of data located at a head portion of said new data; and a controlling means for changing values in said new data when it is determined by said comparator that values in said end data portion are the same as the values in said head data portion.

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